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Kryger [21]
4 years ago
6

During the course of darwin's journey aboard the h.m.s. beagle he was collecting and recording ________ and __________.

Biology
1 answer:
slavikrds [6]4 years ago
3 0
The answer is geological; biological diversity evidence. His hypothesis clarifies that natural assorted qualities come about because of the relatives of nearby or transient ancestors getting to be noticeably adjusted to their differing surroundings. This clarification can be tried by looking at present species and nearby fossils to see whether they have comparable structures, which would show how one is gotten from the other.
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Desde captar el estimulo hasta efectuar una respuesta, la secuencia que sigue en el impulso nervioso es?
Elan Coil [88]

Answer:

creación de un potencial de acción (despolarización), redistribución de iones a través del soma y finalmente repolarización (estado de reposo)

Explanation:

Las neuronas son células nerviosas capaces de transmitir impulsos en forma de corriente eléctrica. Una neurona está compuesta por dendritas, el soma o cuerpo celular y el axón. Durante la transmisión del impulso nervioso, el estímulo es en primer lugar recibido por las dendritas, recorre el soma y termina en el axón. El impulso nervioso se transmite a través de la neurona mediante un proceso de despolarización. Primero, se produce un aumento de la carga eléctrica en el interior de la membrana neuronal debido al aumento de iones de sodio en el interior celular. A continuación, se produce la redistribución de iones dentro del soma, con lo cual la señal se va transmitiendo a lo largo de la neurona. Finalmente, cuando el impulso ha terminado de recorrer el axón, se produce la repolarización o estado de reposo, donde se produce el restablecimiento de las concentraciones iniciales de iones y la neurona vuelve a su estado inicial.

7 0
3 years ago
Not only does sediment spread horizontality and from youngest (top) to oldest (bottom), it also continues to spread flat in all
Mashcka [7]

Answer:

Law of original lateral continuity

Explanation:

The law of original lateral continuity basically explains that sediments spread out laterally and continuously until the sediments run out or depending on the limits of the basin (in other words, what catches it). As it extends outwards the layer starts to thin out. This was proposed by Nicolas Steno, who also proposed the law of superposition and original horizontally.

7 0
3 years ago
What does "putting together of dissimilar elements" refer to? space contrast texture
Dahasolnce [82]
The correct answer is contrast

You put together dissimilar items to create a contrast. The dissimilarity is often so high that the objects are actually complete opposites.
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3 years ago
Explain why human skin coloration is not sufficiently explained by polygenic inheritance
Tcecarenko [31]
Why human skin coloration is not sufficiently explained by polygenic inheritance? it is because of the other aspect that affects the skin, for example sun exposure which is the effect of environment not by genes. If a person is exposed in the sun, her skin gets darker compare to what  it used to be. 
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